<p>如果要按特定顺序从字典中提取字段,最好列出所需的键,而不是不需要的键(与前面两个答案提出的方法相反)。所以我建议:</p>
<pre><code>dicts = [{"Database":"Database2","Version":"0.1.2","Day_time":329477060,"My_count":102075020,"ProjectID":55358627,"Final_time":46716393}, "Database":"Database200","Version":"0.1.0","Day_time":5167727780,"My_count":4724597678,"ProjectID":1708358878,"Final_time":3016238800}, "Database":"Database1","Version":"1.1.1","Day_time":1647140700,"My_count":7833711472,"ProjectID":5241471510,"Final_time":2592239962},{"Database":"Database201","Version":"0.2.2","Day_time":2490677104,"My_count":7525799955,"ProjectID":1849565089,"Final_time":5676234866},{"Database":"Cache1","Version":"1.2.2","Day_time":6877694221,"My_count":7403116508,"ProjectID":3260475032,"Final_time":4142641476},{"Database":"Database201","Version":"1.2.1","Day_time":8285487311,"My_count":2970023201,"ProjectID":2956709247,"Final_time":13313954},{"Database":"Database202","Version":"0.0.1","Day_time":5032945971,"My_count":2453463265,"ProjectID":932154161,"Final_time":1521309104},{"Database":"Database202","Version":"1.2.1","Day_time":6440876717,"My_count":609847918,"ProjectID":364440252,"Final_time":245407666},{"Database":"Cache1","Version":"0.0.3","Day_time":2265003223,"My_count":7311023147,"ProjectID":4612143282,"Final_time":2698879865}, "Database":"Database202","Version":"0.0.1","Day_time":8743007122,"My_count":7687687281,"ProjectID":4160318641,"Final_time":3527368640}, "Database":"Cache1","Version":"1.1.2","Day_time":9281660375,"My_count":4028121672,"ProjectID":3240617982,"Final_time":787503690}]
keys = "Database Version Final_time".split()
result = '\n'.join(' / '.join(("%s %s" % (k,d[k]) for k in keys)) for d in dicts)
print(result)
</code></pre>
<p>结果:</p>
<pre><code>Database Database2 / Version 0.1.2 / Final_time 46716393
Database Database200 / Version 0.1.0 / Final_time 3016238800
Database Database1 / Version 1.1.1 / Final_time 2592239962
Database Database201 / Version 0.2.2 / Final_time 5676234866
Database Cache1 / Version 1.2.2 / Final_time 4142641476
Database Database201 / Version 1.2.1 / Final_time 13313954
Database Database202 / Version 0.0.1 / Final_time 1521309104
Database Database202 / Version 1.2.1 / Final_time 245407666
Database Cache1 / Version 0.0.3 / Final_time 2698879865
Database Database202 / Version 0.0.1 / Final_time 3527368640
Database Cache1 / Version 1.1.2 / Final_time 787503690
</code></pre>
<p>注意:为了更好的可读性,我添加了斜杠<code>/</code>,但是如果您不想/不需要它们,可以在<code>join</code>语句中删除它</p>